CC: linux-kernel(a)vger.kernel.org TO: Josh Poimboeuf <jpoimboe(a)redhat.com&gt; CC: "Greg Kroah-Hartman" <gregkh(a)linuxfoundation.org&gt; CC: Borislav Petkov <bp(a)suse.de&gt; CC: Sasha Levin <sashal(a)kernel.org&gt; tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y head: 228d88e992eb144f13037001b6b6d0289b9b2f00 commit: d85044145fdd791ea391fb0b09c9c036a7b02146 [2194/2391] objtool: Fix noreturn detection for ignored functions config: x86_64-randconfig-a006-20210719 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi... git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.4.y git checkout d85044145fdd791ea391fb0b09c9c036a7b02146 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org